What devices are compatible with BikeLab FIT Analyzer?

Garmin, Wahoo, Coros, Polar, Suunto and Bryton. Also works with FIT files exported from Strava.

Is my FIT file uploaded to any server?

No. All processing happens locally in your browser. The FIT file never leaves your device.

The Variability Index (VI) is the ratio of Normalized Power (NP) to Average Power (AP). A VI below 1.05 indicates very steady pacing.

The IES combines the coefficient of variation of speed and cadence in climbing segments with grade above 3%.

BIKELAB STUDIO

ES EN

Cyclist data

Full name *

Email address *

Age (optional)

Country

Discipline *

Suspension type *

Drivetrain *

Wheel diameter *

Bike model (optional)

Upload FIT file

📂

Drag your .fit file here or click to select

Compatible devices: Garmin, Wahoo, Coros, Polar, Suunto, Bryton. Strava (export original FIT).

🔒 Your FIT file is processed only in your browser. Not uploaded to any server.

Analyzing

Reading FIT records…

Analysis report

OPEN SCIENCE // PERMANENT DOI

Ravello Joo, C. E. (2026). BikeLab FIT Analyzer (Version 1.0.0) [Software]. BikeLab Studio. https://doi.org/10.5281/zenodo.20673166

DOI: 10.5281/zenodo.20673166 License: CC BY-NC-ND 4.0 Author: Carlos Eduardo Ravello Joo · ORCID 0009-0007-5631-7436 Deposit: Zenodo · OpenAIRE

Software deposited with a permanent DOI, indexed in OpenAIRE. Code can be copied; dated authorship cannot.